滇桂阔蕊兰（植物分类学报）
Peristylus parishii Rchb. f. in Trans. Linn. Soc. 30: 139. 1874; Ceidenf., Cont. Rev. Orch. Fl. Camb. , Laos and Vietn. 92. 1975, et in Dansk Bot. Ark. 31(3): 52, fig. 24. 1977; K. Y. Lang in Acta Phytotax. Sin. 25(6): 452. 1987. ----Habenaria parishii(Rchb. f. )Hook. f. , Fl. Brit. Ind. 6: 161. 1890.
Broad-leaved forests, thickets; 700-1800 m. N Guangxi, S and SE Yunnan [India, Myanmar, Nepal, Thailand, Vietnam]. |
|
Plants slender to somewhat robust, 26-57 cm tall. Tubers ovoid-oblong, 1-2.5 × 0.8-1.5 cm. Stem with 3-5 tubular sheaths at base, 4- or 5-leaved. Leaves clustered near middle of stem, elliptic-lanceolate to ovate, 4-9 × 2-3.5 cm, apex acute. |
|
| |
Inflorescence 17-41 cm; peduncle cylindric to slightly ridged, slender to stout, ebracteate or with 1 lanceolate sterile bract ca. 10 mm; rachis 7-25 cm, densely many flowered; floral bracts ovate-lanceolate, 8-12 mm, exceeding ovary (and sometimes flowers), apex acuminate. Flowers horizontal, green; ovary 6-9 mm including pedicel. Dorsal sepal erect, ovate, concave, 3.2-4.5 × 1.8-2 mm, 1-veined, apex obtuse; lateral sepals spreading, oblong, oblique, 3.5-5 × ca. 1.5 mm, 1-veined, apex obtuse. Petals spreading, ovate, oblique, 3.5-4.8 × 1.8-2.2 mm, 1- or 2-veined, apex obtuse; lip spreading to deflexed, ovate, 4-5.5 × ca. 2 mm, ecallose, base shallowly concave, 3-lobed near middle; lateral lobes oblong-triangular, ca. 0.8 mm, apex obtuse; mid-lobe oblong, ca. 1.5 mm, slightly broader than lateral lobes, apex obtuse; spur pendulous, fusiform, 1.8-2.5 mm, apex acute, neck contracted. Column ca. 1 mm; viscidia oblong; rostellum with short arms. Fl. Jun-Aug. |
|
| |
|
